And from the White House blog, President Obama’s first official act in office:

NATIONAL DAY OF RENEWAL AND RECONCILIATION, 2009
- – – – – – -
BY THE PRESIDENT OF THE UNITED STATES OF AMERICA
A PROCLAMATION
As I take the sacred oath of the highest office in the land, I am humbled by the responsibility placed upon [...]

Numbers and info from Time Magazine:

3 million people expected to attend
5,000 portable toilets on the Mall and parade route
800 lbs. of bison and 1,500 cases of beer at one hotel alone
2 million Metro maps distributed
10 video walls on the Mall for ceremony watching
5,625 security cameras in D.C.

The Washington Area Bicyclist Association will lock up your [...]